Spread spectrum signal design: LPE and AJ systems
Spread spectrum signal design: LPE and AJ systems
Discrete Random Signals and Statistical Signal Processing
Discrete Random Signals and Statistical Signal Processing
An Introduction to Spread-Spectrum Communications
An Introduction to Spread-Spectrum Communications
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In this paper the development of the digital ad-hoc chip rate estimator (ACRE) is explained in relation to its similarities and contrasts to the chip rate detector (CRD). The effect of half-sine pulse shaping on chip rate detection is investigated. The components of the ACRE are described. The ACRE's performance for three categories of simulations are presented and briefly discussed. The three simulation categories are: standard-ACRE, ACRE with additional filtering, and ACRE with incrementing. ACRE with additional filtering trades chip rate search range for estimation performance. ACRE with incrementing combines subsets of processed data that overlap each other. This simulation approach shows the potential for parallel processing without loss of performance.